The Original HealthWatch - Waterproof Fitness Smartwach Color:Black Ultrasonic means the high frequency

Ultrasonic means the high frequency sound waves that cause some amount of vibration in your skin and in the tissues that are in the nearby areas of the skin

Life cycle time: 50km ( printing density under 12

Material: Pigment

Working temperature: -20℃~-60℃

The Original HealthWatch - Waterproof Fitness Smartwach Color:Black Ultrasonic means the high frequencyHealthWatch Want to improve your overall health and get fit easier? Having a health and fitness watch is the easiest way to keeping yourself on track. This health management smartwatch may be just what you need to take things to the next level A health watch can make your life easier and improve your overall health in so many ways. The days when we had to guess if we have worked out enough, walked far enough and burned enough calories are long gone!